查询词典 signal

The results show that this method can detect impact signal and keep up signal wave form basically immovableness.

结果表明：利用小波非线性阈值滤波方法能较好地检测在随机噪声下的冲击信号，并能保持信号的波形基本不变。

The third audio signal is convolution of the first audio signal and the environment channel impulse response.

第三音频信号为第一音频信号与环境信道脉冲响应的回旋积分。

Experimental results show that the two schemes can preserve inaudibility and they are robust enough to against the different signal processing operations. In addition, very large watermarking information can be embedded into the original audio signal. Furthermore, it can resist the cropping and MP3 compression attacks.

仿真实验结果表明，两种算法都具有较强的鲁棒性和不可感知性，水印嵌入容量大，提取水印时不需要原始音频信号的参与，并且对裁剪、时间伸缩等攻击具有较强的稳健性，是可行的数字音频水印算法。

According to the signal transmission's problem in Inductive Coupled Power Transfer System., I propose a novel digital signal transmission method based on energy channel in this thesis.

针对感应耦合电能传输系统中的信号传输问题，提出一种新颖的基于能量通道的数字信号传输方法。

Results: Abnormal signal showed in 15 cases by routine plain scan (66%), while images of normal pituitary gland, infundibulum, and cavernous sinus showed obviously strengthened signals in 21 cases by non dynamic enhanced MRI (92%), with low signal area of microadenoma, forming evident image characters.

结果：常规平扫23例中，有15例可见异常信号改变，占66%；而动态增强扫描后有21例可见正常垂体腺、漏斗、海绵窦逐一明显强化，微腺瘤则尚未强化仍呈低信号区，形成鲜明对比的图像特征，占92%。

On the software we use the platform of Lab Windows/CVI, adopted the modulation design method, has realized the gathering signal real time and display, control accurate output of signal, correct processing of tentative data, draw and fit the performance curve of parameter through using data inosculation technology.

软件上在Lab Windows/CVI虚拟仪器开发平台上，采用模块化设计方法，实现了采集信号的实时显示，控制信号的准确输出，试验数据的正确处理及应用数据融合技术对性能参数进行拟合从而实现性能曲线的自动绘制。

The system is made up of PXI-6251 module collecting the dataduring the experiment, SCXI-1520 module adjusting the relaxing strain signal, FCS load inphase with multicenter system providing the pull during the demarcate experiment, sensorsmeasuring the strain and the pull, charge amplifier adjusting the relaxing pull signal, and soon.

组建了基于PXI总线的复合材料残余应力测试系统，此系统包括数据采集模块PXI-6251，应变信号调理模块SCXI-1520，FCS多通道协调加载控制系统、应变花和压电力传感器、电荷放大器等。

aining at high impedance weak signal measurement,the relations among measuring precision,input impedance and input bias current,the guard technology is applied to design a measuring circuit with guard circuit,adding a guard potential to low-impedance nodes of circuit,the effect of leakage current is reduced.using spice simulation and validates that guard circuit can increase the input impedance of the system and lower the input bias current,the results show that the guard circuit provids a valuable solution for high accuracy measurement of the high impedance weak signal.

摘 要：针对高阻抗微弱信号测量问题，对测量精度与系统输入阻抗、输入偏置电流的关系进行分析，应用保护技术设计了带保护电路的测量电路，将电路中的低阻抗节点加上保护电势，减小漏电流的影响。通过pspice仿真分析，验证保护电路能提高测量系统的输入阻抗和降低输入偏置电流，结果表明保护电路技术能实现对高阻抗微弱信号的高精度测量。

A device for removing an interference signal with a different characteristic included in input signals and an interference signal removing method are disclosed.

本发明公开了消除包括在输入信号中具有不同特性的干扰信号的设备和干扰信号消除方法。

However, research shows that when the measurement signal is very small, a differential amplifier consisting of one OP amplifier can easily cause load effect due to low input resistance and signal voltage decline.

不过，研究显示，当测量信号，是非常小差分放大器组成，其中运算放大器可以很容易造成负载效应，由于低投入及抗病信号电压下降。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。